A pharmaceutical company claims that a new treatment is successful in reducing fever in more than 60% of the cases. The treatment was tried on 240 randomly selected cases and 77 were successful. Do you think the company's claim is valid? use level of significance 5% Let solve this problem step by step 1- State the hypotheses Ho:p= .6 VS HA: p [Select] 2- Large sample size n = 240. We use z- test and distribution 3- Test Statistics Z = [Select] 4- Rejection region We have right- tailed test and we reject Ho when Z o5 >Select 5- Conclusion V [Select ] We accept Ho and reject the company's claim We accept the Ho and the company's claim We accept Ha and accept the company's claim We reject Ho and accept the company's claim « Previous Next New Form.pdf Transient Stud...pdf Transient Stud...pdf 6.

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